[PySide] simple QTableView example
Frank Rueter | OHUfx
frank at ohufx.com
Fri Oct 11 11:35:45 CEST 2013
Great, thanks Tibold!
On 10/10/13 11:44 PM, Tibold Kandrai wrote:
> Hey,
> I’m not sure I understand the problem correctly.
> If you want to store data in a cell or a QStandardItem, then you need
> to use setData() and data().
> Generally you shouldn’t need to subclass QStandardItem or
> QStandardItemModel.
> Here is an example how:
> # Define roles
> FINISHED_ROLE = QtCore.Qt.UserRole + 1
> PRIORITY_ROLE = QtCore.Qt.UserRole + 2
> # Create model
> model = QtGui.QStandardItemModel()
> item = QtGui.QStandarItem()
> model.appendRow(item)
> item_index = item.index()
> # Store data using the item
> item.setData(finished, FINISHED_ROLE)
> item.setData(priority, PRIORITY_ROLE)
> # Store data using the model
> model.setData(item_index, finished, FINISHED_ROLE)
> model.setData(item_index, priority, PRIORITY_ROLE)
> # Retrieve data using the item
> finished = item.data(FINISHED_ROLE)
> priority = item.data(PRIORITY_ROLE)
> # Retrieve data using the model
> finished = model.data(item_index, FINISHED_ROLE)
> priority = model.data(item_index, PRIORITY_ROLE)
> In some cases like click event handlers, you have the model and the
> item index, there it’s easier to use the model methods instead of
> finding the item and then getting the data. 😉
> Hope it helps.
> Cheers,
> Tibold
> *From:* Frank Rueter | OHUfx
> *Sent:* 2013 October 10, Thursday 19:37
> *To:* pyside at qt-project.org
> After looking at some more examples I think my approach of storing
> multiple values in one item is fundamentally flawed.
> Instead I should be using one item per cell and assign the respective
> data, right?!
>
> I shall re-write the example accordingly, sorry for the noise.
>
> frank
>
> On 10/10/13 6:34 PM, Frank Rueter | OHUfx wrote:
>
> I meant QTableView not QStandardTableView :/
>
> On 10/10/13 6:33 PM, Frank Rueter | OHUfx wrote:
>
> Hi all,
>
> after a bit of a break from PySide I am trying to wrap my head
> around the model/view stuff again and am trying to understand
> how a very simple example would work where a QStandarItem has
> properties "title", "priority" and "finished" which are
> displayed via a QStandardTableView.
>
> I am struggling with understanding how to properly display the
> above three properties in the table's columns. I tried setting
> the data() method on the model like this:
>
> / def data(self, index, role=QtCore.Qt.DisplayRole)://
> // '''Return data based on index and role'''//
> // item = self.itemFromIndex(index)//
> // if index.column() == 0://
> // return item.title//
> // elif index.column() == 1://
> // return item.finished//
> // elif index.column() == 2://
> // return item.priority/
>
> but for some reason it errors saying item does not have
> attribute "finished" even though my item object s declared
> like this:
>
> /class TaskItem(QtGui.QStandardItem)://
> // '''Item to hold a task for the todo list'''//
> ////
> // def __init__(self, title, finished=False, priority=1)://
> // super(TaskItem, self).__init__(title)//
> // self.title = title//
> // self.finished = finished//
> // self.priority = priority/
>
>
> When printing the item's attributes via dir() I see that, when
> the model is populated, the last item it attempts to call is
> not my custom item object, but something else with less
> attributes and methods. Clearly there is something I haven't
> quite understood about this process.
>
> Also, if I use the models data() method as pointed out above,
> I get checkboxes in the cells which I don't want at this stage.
>
> Can somebody please help me understand where I go wrong?
> Attached is the whole test code.
>
> Cheers,
> frank
>
> P.S.: I am aware that the controller code shouldn't
> necessarily live in the QWidget's methods, this is just for
> testing which I will clean up once I get how it all connects again
>
>
> _______________________________________________
> PySide mailing list
> PySide at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/pyside
>
>
>
>
> _______________________________________________
> PySide mailing list
> PySide at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/pyside
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/pyside/attachments/20131011/18502a50/attachment.html>
More information about the PySide
mailing list